Commit 8f55ac13 authored by Mark Cave-Ayland's avatar Mark Cave-Ayland Committed by David Gibson
Browse files

mac_newworld: wire up programmer switch to NMI handler 



The programmer switch is wired up via an external GPIO pin and can be used
to aid debugging Mac guests.

Signed-off-by: default avatarMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent 7c4166a9

hw/misc/macio/gpio.c

+13 −0
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ 
#include "hw/ppc/mac.h"

#include "hw/misc/macio/macio.h"

#include "hw/misc/macio/gpio.h"

#include "hw/nmi.h"

#include "qemu/log.h"

#include "trace.h"
@@ -193,13 +194,21 @@ static void macio_gpio_reset(DeviceState *dev) 
    macio_set_gpio(s, 1, true);

}



static void macio_gpio_nmi(NMIState *n, int cpu_index, Error **errp)

{

    macio_set_gpio(MACIO_GPIO(n), 9, true);

    macio_set_gpio(MACIO_GPIO(n), 9, false);

}



static void macio_gpio_class_init(ObjectClass *oc, void *data)

{

    DeviceClass *dc = DEVICE_CLASS(oc);

    NMIClass *nc = NMI_CLASS(oc);



    dc->realize = macio_gpio_realize;

    dc->reset = macio_gpio_reset;

    dc->vmsd = &vmstate_macio_gpio;

    nc->nmi_monitor_handler = macio_gpio_nmi;

}



static const TypeInfo macio_gpio_init_info = {
@@ -208,6 +217,10 @@ static const TypeInfo macio_gpio_init_info = { 
    .instance_size = sizeof(MacIOGPIOState),

    .instance_init = macio_gpio_init,

    .class_init    = macio_gpio_class_init,

    .interfaces = (InterfaceInfo[]) {

        { TYPE_NMI },

        { }

    },

};



static void macio_gpio_register_types(void)